package org.tools.usebean;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class SpringBeanUtils implements ApplicationContextAware {
	private static ApplicationContext applicationContext = null;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		if (SpringBeanUtils.applicationContext == null) {

			SpringBeanUtils.applicationContext = applicationContext;

		}

		System.out.println("---------------------------------------------------------------------");

		System.out.println("---------------------------------------------------------------------");

		System.out.println("---------------simple.plugin.spring.SpringUtil------------------------------------------------------");

		System.out.println("========ApplicationContext配置成功,在普通类可以通过调用SpringUtils.getAppContext()获取applicationContext对象,applicationContext=" + SpringBeanUtils.applicationContext + "========");

		System.out.println("---------------------------------------------------------------------");

	}

	// 获取applicationContext

	public static ApplicationContext getApplicationContext() {

		return applicationContext;

	}

	// 通过name获取 Bean.

	public static Object getBean(String name){

           return getApplicationContext().getBean(name);

    }

	// 通过class获取Bean.

	public static <T> T getBean(Class<T> clazz){

           return getApplicationContext().getBean(clazz);

    }

	// 通过name,以及Clazz返回指定的Bean

	public static <T> T getBean(String name,Class<T> clazz){ 

           return getApplicationContext().getBean(name, clazz);

    }

}
